code: def C(classname):
      """get an ObjC Class by name"""
      return objc.objc_getClass(_utf8(classname))
  
file_path: catboost/contrib/python/ipykernel/py2/ipykernel/_eventloop_macos.py
imports: import ctypes
  import ctypes.util
  from threading import Event
label_desc: Use image node_id 3 for calling a global function with example usage: C(classname) and returns: objc